Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/120be8046c24
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 849729 - merge pull request #27964 from ADLR-es:vcard-import-multiple to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/a4646f4913b0
Author: Adrián de la Rosa <hola@adlr.es>
Desc: Bug 849729 - [Contacts] [vCard] Allow the user to select which contacts must be imported from vCard files

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "7e7569b838981ca6a24b5d170c3d16ed2d588f55", 
+        "git_revision": "0ef70b47ef37bcc1dff4b3ea980dcdcbf8a3f9b6", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "d952c34edd9a675740eced9ba9935b07b7d7d59e", 
+    "revision": "120be8046c242e1ed71b426d4310e9be456f12d1", 
     "repo_path": "integration/gaia-central"
 }